diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index 62cec34b2b..c9394dd9f8 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -1644,7 +1644,7 @@ int QFileDialogPrivate::maxNameLength(const QString &path)
 {
 #if defined(Q_OS_UNIX)
     return ::pathconf(QFile::encodeName(path).data(), _PC_NAME_MAX);
-#elif defined(Q_OS_WINCE)
+#elif defined(Q_OS_WINCE) || defined(Q_OS_WINRT)
     Q_UNUSED(path);
     return MAX_PATH;
 #elif defined(Q_OS_WIN)
diff --git a/src/widgets/dialogs/qfilesystemmodel.cpp b/src/widgets/dialogs/qfilesystemmodel.cpp
index c86c7ff931..72dc8a5d05 100644
--- a/src/widgets/dialogs/qfilesystemmodel.cpp
+++ b/src/widgets/dialogs/qfilesystemmodel.cpp
@@ -1713,7 +1713,7 @@ QFileSystemModelPrivate::QFileSystemNode* QFileSystemModelPrivate::addNode(QFile
 #ifndef QT_NO_FILESYSTEMWATCHER
     node->populate(info);
 #endif
-#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
     //The parentNode is "" so we are listing the drives
     if (parentNode->fileName.isEmpty()) {
         wchar_t name[MAX_PATH + 1];
diff --git a/src/widgets/dialogs/qmessagebox.cpp b/src/widgets/dialogs/qmessagebox.cpp
index da5ec8dc8a..90c8021d41 100644
--- a/src/widgets/dialogs/qmessagebox.cpp
+++ b/src/widgets/dialogs/qmessagebox.cpp
@@ -73,7 +73,7 @@
 
 QT_BEGIN_NAMESPACE
 
-#ifdef Q_OS_WIN
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
 HMENU qt_getWindowsSystemMenu(const QWidget *w)
 {
     if (QWindow *window = QApplicationPrivate::windowForWidget(w))
@@ -1608,7 +1608,7 @@ void QMessageBox::showEvent(QShowEvent *e)
     QAccessibleEvent event(this, QAccessible::Alert);
     QAccessible::updateAccessibility(&event);
 #endif
-#ifdef Q_OS_WIN
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
     if (const HMENU systemMenu = qt_getWindowsSystemMenu(this)) {
         EnableMenuItem(systemMenu, SC_CLOSE, d->detectedEscapeButton ?
                        MF_BYCOMMAND|MF_ENABLED : MF_BYCOMMAND|MF_GRAYED);
diff --git a/src/widgets/itemviews/qfileiconprovider.cpp b/src/widgets/itemviews/qfileiconprovider.cpp
index 71697ddc40..b12ab736f4 100644
--- a/src/widgets/itemviews/qfileiconprovider.cpp
+++ b/src/widgets/itemviews/qfileiconprovider.cpp
@@ -53,8 +53,10 @@
 
 #if defined(Q_OS_WIN)
 #  include <qt_windows.h>
-#  include <commctrl.h>
-#  include <objbase.h>
+#  ifndef Q_OS_WINRT
+#    include <commctrl.h>
+#    include <objbase.h>
+#  endif
 #endif
 
 #if defined(Q_OS_UNIX) && !defined(QT_NO_STYLE_GTK)
@@ -313,7 +315,7 @@ QIcon QFileIconProvider::icon(const QFileInfo &info) const
         return retIcon;
 
     if (info.isRoot())
-#if defined (Q_OS_WIN) && !defined(Q_OS_WINCE)
+#if defined (Q_OS_WIN) && !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
     {
         UINT type = GetDriveType((wchar_t *)info.absoluteFilePath().utf16());
 
diff --git a/src/widgets/kernel/qapplication_qpa.cpp b/src/widgets/kernel/qapplication_qpa.cpp
index 1f8e950d00..7977ae3528 100644
--- a/src/widgets/kernel/qapplication_qpa.cpp
+++ b/src/widgets/kernel/qapplication_qpa.cpp
@@ -451,7 +451,7 @@ void qt_init(QApplicationPrivate *priv, int type)
     QApplicationPrivate::initializeWidgetFontHash();
 }
 
-#ifdef Q_OS_WIN
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
 // #fixme: Remove.
 static HDC         displayDC        = 0;                // display device context
 
@@ -470,7 +470,7 @@ void qt_cleanup()
     QColormap::cleanup();
 
     QApplicationPrivate::active_window = 0; //### this should not be necessary
-#ifdef Q_OS_WIN
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
     if (displayDC) {
         ReleaseDC(0, displayDC);
         displayDC = 0;
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 02d95d2fa5..6db52e1cbc 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -4174,7 +4174,7 @@ const QPalette &QWidget::palette() const
     if (!isEnabled()) {
         data->pal.setCurrentColorGroup(QPalette::Disabled);
     } else if ((!isVisible() || isActiveWindow())
-#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
         && !QApplicationPrivate::isBlockedByModal(const_cast<QWidget *>(this))
 #endif
         ) {
diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp
index 02fa80bef6..9fcd14e813 100644
--- a/src/widgets/kernel/qwidgetbackingstore.cpp
+++ b/src/widgets/kernel/qwidgetbackingstore.cpp
@@ -120,7 +120,7 @@ static inline void qt_flush(QWidget *widget, const QRegion &region, QBackingStor
 }
 
 #ifndef QT_NO_PAINT_DEBUG
-#ifdef Q_OS_WIN
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
 
 static void showYellowThing_win(QWidget *widget, const QRegion &region, int msec)
 {
@@ -160,7 +160,7 @@ static void showYellowThing_win(QWidget *widget, const QRegion &region, int msec
     QGuiApplication::platformNativeInterface()->nativeResourceForWindow(QByteArrayLiteral("releaseDC"), nativeWindow);
     ::Sleep(msec);
 }
-#endif //  Q_OS_WIN
+#endif //  defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
 
 void QWidgetBackingStore::showYellowThing(QWidget *widget, const QRegion &toBePainted, int msec, bool unclipped)
 {
@@ -175,7 +175,7 @@ void QWidgetBackingStore::showYellowThing(QWidget *widget, const QRegion &toBePa
         widget = nativeParent;
     }
 
-#ifdef Q_OS_WIN
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
     Q_UNUSED(unclipped);
     showYellowThing_win(widget, paintRegion, msec);
 #else
diff --git a/src/widgets/kernel/win.pri b/src/widgets/kernel/win.pri
index dd47664c28..18bd692476 100644
--- a/src/widgets/kernel/win.pri
+++ b/src/widgets/kernel/win.pri
@@ -2,6 +2,6 @@
 # --------------------------------------------------------------------
 
 INCLUDEPATH += ../3rdparty/wintab
-!wince* {
+!wince*:!winrt {
     LIBS *= -lshell32
 }
diff --git a/src/widgets/styles/qwindowsstyle.cpp b/src/widgets/styles/qwindowsstyle.cpp
index b153d05885..85f0461f48 100644
--- a/src/widgets/styles/qwindowsstyle.cpp
+++ b/src/widgets/styles/qwindowsstyle.cpp
@@ -252,7 +252,7 @@ void QWindowsStyle::polish(QApplication *app)
     d->inactiveGradientCaptionColor = app->palette().dark().color();
     d->inactiveCaptionText = app->palette().background().color();
 
-#if defined(Q_OS_WIN) //fetch native title bar colors
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT) //fetch native title bar colors
     if(app->desktopSettingsAware()){
         DWORD activeCaption = GetSysColor(COLOR_ACTIVECAPTION);
         DWORD gradientActiveCaption = GetSysColor(COLOR_GRADIENTACTIVECAPTION);
@@ -413,6 +413,7 @@ int QWindowsStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QW
 
 
 #if defined(Q_OS_WIN)
+#ifndef Q_OS_WINRT // There is no title bar in Windows Runtime applications
     case PM_TitleBarHeight:
         if (widget && (widget->windowType() == Qt::Tool)) {
             // MS always use one less than they say
@@ -426,16 +427,17 @@ int QWindowsStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QW
         }
 
         break;
+#endif // !Q_OS_WINRT
 
     case PM_ScrollBarExtent:
         {
-#ifndef Q_OS_WINCE
+#if !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
             NONCLIENTMETRICS ncm;
             ncm.cbSize = FIELD_OFFSET(NONCLIENTMETRICS, lfMessageFont) + sizeof(LOGFONT);
             if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &ncm, 0))
                 ret = qMax(ncm.iScrollHeight, ncm.iScrollWidth);
             else
-#endif
+#endif // !Q_OS_WINCE && !Q_OS_WINRT
                 ret = QCommonStyle::pixelMetric(pm, opt, widget);
         }
         break;
@@ -446,6 +448,7 @@ int QWindowsStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QW
         break;
 
 #if defined(Q_OS_WIN)
+#ifndef Q_OS_WINRT // Mdi concept not available for WinRT applications
     case PM_MdiSubWindowFrameWidth:
 #if defined(Q_OS_WINCE)
         ret = GetSystemMetrics(SM_CYDLGFRAME);
@@ -453,7 +456,8 @@ int QWindowsStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QW
         ret = GetSystemMetrics(SM_CYFRAME);
 #endif
         break;
-#endif
+#endif // !Q_OS_WINRT
+#endif // Q_OS_WIN
     case PM_ToolBarItemMargin:
         ret = 1;
         break;
@@ -477,7 +481,7 @@ int QWindowsStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QW
 QPixmap QWindowsStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
                                       const QWidget *widget) const
 {
-#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) && !defined(Q_OS_WINRT)
     QPixmap desktopIcon;
     switch(standardPixmap) {
     case SP_DriveCDIcon:
@@ -516,7 +520,7 @@ QPixmap QWindowsStyle::standardPixmap(StandardPixmap standardPixmap, const QStyl
     if (!desktopIcon.isNull()) {
         return desktopIcon;
     }
-#endif
+#endif // Q_OS_WIN && !Q_OS_WINCE && !Q_OS_WINRT
     return QCommonStyle::standardPixmap(standardPixmap, opt, widget);
 }
 
@@ -554,7 +558,7 @@ int QWindowsStyle::styleHint(StyleHint hint, const QStyleOption *opt, const QWid
         ret = 0;
         break;
 
-#if defined(Q_OS_WIN)
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT) // Option not used on WinRT -> common style
     case SH_UnderlineShortcut:
     {
         ret = 1;
@@ -590,7 +594,7 @@ int QWindowsStyle::styleHint(StyleHint hint, const QStyleOption *opt, const QWid
 #endif // QT_NO_ACCESSIBILITY
         break;
     }
-#endif
+#endif // Q_OS_WIN && !Q_OS_WINRT
 #ifndef QT_NO_RUBBERBAND
     case SH_RubberBand_Mask:
         if (const QStyleOptionRubberBand *rbOpt = qstyleoption_cast<const QStyleOptionRubberBand *>(opt)) {
diff --git a/src/widgets/util/util.pri b/src/widgets/util/util.pri
index 072c736f71..b4bbc5fc30 100644
--- a/src/widgets/util/util.pri
+++ b/src/widgets/util/util.pri
@@ -27,7 +27,7 @@ SOURCES += \
         util/qundostack.cpp \
         util/qundoview.cpp
 
-win32:!wince* {
+win32:!wince*:!winrt {
     SOURCES += util/qsystemtrayicon_win.cpp
 } else:contains(QT_CONFIG, xcb) {
     SOURCES += util/qsystemtrayicon_x11.cpp
diff --git a/src/widgets/widgets/qsplashscreen.cpp b/src/widgets/widgets/qsplashscreen.cpp
index b2a0d3f8b8..db9db68039 100644
--- a/src/widgets/widgets/qsplashscreen.cpp
+++ b/src/widgets/widgets/qsplashscreen.cpp
@@ -251,7 +251,9 @@ inline static bool waitForWindowExposed(QWindow *window, int timeout = 1000)
             break;
         QCoreApplication::processEvents(QEventLoop::AllEvents, remaining);
         QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
-#ifdef Q_OS_WIN
+#if defined(Q_OS_WINRT)
+        WaitForSingleObjectEx(GetCurrentThread(), TimeOutMs, false);
+#elif defined(Q_OS_WIN)
         Sleep(uint(TimeOutMs));
 #else
         struct timespec ts = { TimeOutMs / 1000, (TimeOutMs % 1000) * 1000 * 1000 };